static CompressedShareData getShareData(string dataDir)
{
string sharedDataPath = dataDir + "/" + "shared_data.asset";
CompressedShareData shareData = AssetDatabase.LoadAssetAtPath <CompressedShareData>(sharedDataPath);
if (!shareData)
{
shareData = ScriptableObject.CreateInstance <CompressedShareData>();
AssetDatabase.CreateAsset(shareData, sharedDataPath);
shareData = AssetDatabase.LoadAssetAtPath <CompressedShareData>(sharedDataPath);
}
return(shareData);
}
public string Process()
{
this.rawClip = animatorState.motion as AnimationClip;
if (!rawClip)
{
return(null);
}
this.stateFlag = findStateFlag(animatorState);
//查找标记，检查是否可以跳过
if (stateFlag && stateFlag.skipCompressed)
{
return(null);
}
var size = UnityEngine.Profiler.GetRuntimeMemorySize(rawClip);
//小于16K 不压缩
if (size < 1024 * 16)
{
return(null);
}
string rawClipPath = AssetDatabase.GetAssetPath(rawClip);
if (string.IsNullOrEmpty(rawClipPath))
{
return(null);
}
string anim_gen_dir = Path.GetDirectoryName(rawClipPath) + "/_anim_gen_";
string dataDir = anim_gen_dir + "/datas";
string stubDir = anim_gen_dir + "/stubs";
Directory.CreateDirectory(anim_gen_dir);
Directory.CreateDirectory(dataDir);
Directory.CreateDirectory(stubDir);
this.shareData = getShareData(anim_gen_dir);
this.stubClip = new AnimationClip();
AnimationClipSettings settings = AnimationUtility.GetAnimationClipSettings(rawClip);
stubClip.SetCurve("", typeof(CompressedAnimationDirver), "stubAnimParam", AnimationCurve.Linear(0, 0, rawClip.length, 1));
stubClip.name = rawClip.name + "_stub";
this.clipData = CompressClipData();
AnimationUtility.SetAnimationClipSettings(stubClip, settings);
//*注意：这里是为了兼容通过AnimationClipSettings设置Loop而Wrap没设置
if (settings.loopTime)
{
clipData.wrapMode = (byte)WrapMode.Loop;
stubClip.wrapMode = WrapMode.Loop;
}
else
{
stubClip.wrapMode = rawClip.wrapMode;
}
animatorState.motion = stubClip;
AssetDatabase.CreateAsset(stubClip, stubDir + "/" + stubClip.name + ".anim");
string dataPath = dataDir + "/" + clipData.name + ".asset";
AssetDatabase.CreateAsset(clipData, dataPath);
var stateProxy = animatorState.AddStateMachineBehaviour <CompressionAnimatorStateProxy>();
stateProxy.data = clipData;
return(dataPath);
}
